I can't put this any more succinctly than @WWWard did on the USC forum:
What is the QuestBridge National College Match? Well, if you are a low-income high school senior who has excelled academically, it helps to bring the nation’s best colleges into your financial reach. Through this college and scholarship application process, you can apply for free to the nation’s best colleges and be considered for early admission and a full four-year scholarship from the college.
https://www.questbridge.org/high-school-students/national-college-match
Partner colleges and universities include:
Amherst College
Bowdoin College
Brown University
California Institute of Technology
Carleton College
Claremont McKenna College
Colby College
Colorado College
Columbia University
Dartmouth College
Davidson College
Duke University
Emory University
Grinnell College
Hamilton College
Haverford College
Macalester College
Massachusetts Institute of Technology
Northwestern University
Oberlin College
Pomona College
Princeton University
Rice University
Scripps College
Stanford University
Swarthmore College
Tufts University
University of Chicago
University of Notre Dame
University of Pennsylvania
University of Southern California
University of Virginia
Vanderbilt University
Vassar College
Washington University in St. Louis
Washington and Lee University
Wellesley College
Wesleyan University
Williams College
Yale University
Good Luck...